Finding the Fourth Proportional to 118,646.97, 163,751.18 and 67,659.79
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Solution
The fourth proportional to 118,646.97, 163,751.18 and 67,659.79 is: 93,380.98
Step by Step Solution
- Step 1: Write the proportion equation
118,646.97 : 163,751.18 = 67,659.79 : x - Step 2: Convert to fraction form
118,646.97/163,751.18 = 67,659.79/x - Step 3: Cross multiply
118,646.97x = 163,751.18 × 67,659.79 - Step 4: Simplify right side
118,646.97x = 11,079,370,451.05 - Step 5: Solve for x
x = 11,079,370,451.05/118,646.97 - Step 6: Final answer
x = 93,380.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.